Vaping has become common, but it's important to know what you're inhaling. Many e cigarettes contain nicotine, heavy metals like nickel and lead, and chemicals that can harm your lungs and overall health. Vaping releases toxic chemicals, including heavy metals, as well as ultrafine particles that go deep into the lungs. These increase the risk of heart and lung disorders. E Cigarettes: Know the Health Risks Department of Health The Dangers of Vaping How E Cigarettes Affect Student Health Bali laws on vaping guide Effects of ecigarettes and vaping devices on cardiac and pulmonary physiology Tsai 2020 The Journal of Physiology Wiley Online Library